Question

Which of following vitamin deficiency causes xerophthalmia and night blindness?

• A. A
• B. $B_1$
• C. D
• D. C

Answer 1

The correct option is A A

Retinol, also known as vitamin A, is a vitamin found in food. It is a fat-soluble vitamin also called bright eye vitamin. It helps in the prevention of conditions like xerophthalmia (hardening of eye cornea), night blindness.​
Vitamin $B_1$ causes Beri beri ​(loss of appetite and retarded growth).​
Vitamin D causes rickets ​(bone deformities in children) and osteo-malacia (soft bones and joint pain in adults).​
Vitamin C causes scurvy ​(bone deformities in children) and osteo-malacia (soft bones and joint pain in adults).​